How to convert column type when there are too many columns?

asked 2018-03-01 01:57:56 -0700

Hi, I ave more than 700000 columns of genotyping data that I need to do analysis on, But in every step I come to this error: you need active columns which are genotypic. My data were type C when I imported them into SVS. I tried to change the column type to G in the edit tab, but it is only done one by one and imagine 700000 columns!! Is there any way I can convert all my columns into Genotype type? Or Is there anything I can change when importing the data to get the output spreadsheet with G type? my original genotyping data is available as text, csv and excell.

Thank you

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